Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by Enhancing the fluid pumping rate Increasing the tube length Keeping the heat transfer surface clean None of these Enhancing the fluid pumping rate Increasing the tube length Keeping the heat transfer surface clean None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In which mode of heat transfer, the Biot number is important? Transient heat conduction Radiation Forced convection Natural convection Transient heat conduction Radiation Forced convection Natural convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reason for operating an evaporator in multiple effect is to secure Both A and B Increased steam economy Increased capacity Decreased steam consumption Both A and B Increased steam economy Increased capacity Decreased steam consumption ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Increases Increases exponentially Remains unaffected Decreases Increases Increases exponentially Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Grey paint Yellow paint White paint Black paint Grey paint Yellow paint White paint Black paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the All of these Pressure difference between steam chest and vapour space Depth of liquid over heating surface Feed All of these Pressure difference between steam chest and vapour space Depth of liquid over heating surface Feed ANSWER DOWNLOAD EXAMIANS APP
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